mirror of
https://github.com/golang/go
synced 2024-10-05 04:21:22 -06:00
c017a8299f
- syscall (not os) now defines the Errno type. - the low-level assembly functions Syscall, Syscall6, and so on return Errno, not uintptr - syscall wrappers all return error, not uintptr. R=golang-dev, mikioh.mikioh, r, alex.brainman CC=golang-dev https://golang.org/cl/5372080
54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package syscall
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func Getpagesize() int { return 4096 }
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func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
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func NsecToTimespec(nsec int64) (ts Timespec) {
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ts.Sec = nsec / 1e9
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ts.Nsec = nsec % 1e9
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return
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}
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func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 }
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func NsecToTimeval(nsec int64) (tv Timeval) {
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nsec += 999 // round up to microsecond
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tv.Usec = int32(nsec % 1e9 / 1e3)
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tv.Sec = int64(nsec / 1e9)
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return
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}
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//sysnb gettimeofday(tp *Timeval) (sec int64, usec int32, err error)
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func Gettimeofday(tv *Timeval) (err error) {
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// The tv passed to gettimeofday must be non-nil
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// but is otherwise unused. The answers come back
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// in the two registers.
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sec, usec, err := gettimeofday(tv)
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tv.Sec = sec
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tv.Usec = usec
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return err
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}
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func SetKevent(k *Kevent_t, fd, mode, flags int) {
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k.Ident = uint64(fd)
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k.Filter = int16(mode)
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k.Flags = uint16(flags)
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}
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func (iov *Iovec) SetLen(length int) {
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iov.Len = uint64(length)
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}
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func (msghdr *Msghdr) SetControllen(length int) {
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msghdr.Controllen = uint32(length)
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}
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func (cmsg *Cmsghdr) SetLen(length int) {
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cmsg.Len = uint32(length)
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}
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